src_s = "g fmnc wms bgblr rpylqjyrc gr zw fylb. rfyrq ufyr amknsrcpq ypc dmp. bmgle gr gl zw fylb gq glcddgagclr ylb rfyr\'q ufw rfgq rcvr gq qm jmle. sqgle qrpgle.kyicrpylq() gq pcamkkclbcb. lmu ynnjw ml rfc spj."
obj_s = ""

# 65~90,97~122

for ch in src_s:
    ch_int = ord(ch)
    if ch_int < 65 or (ch_int > 90 and ch_int < 97) or ch_int > 122:
        obj_s = obj_s + ch
    else:
        if ch_int != 89 and ch_int != 90 and ch_int != 121 and ch_int != 122:
            obj_s = obj_s + chr(ch_int + 2)
        
        if ch_int == 89:
            obj_s = obj_s + chr(65)
        
        if ch_int == 90:
            obj_s = obj_s + chr(66)
        
        if ch_int == 121:
            obj_s = obj_s + chr(97)
        
        if ch_int == 122:
            obj_s = obj_s + chr(98)
    
print(obj_s)

# i hope you didnt translate it by hand. thats what computers are for. doing it in by hand is inefficient and that's why this text is so long. using string.maketrans() is recommended. now apply on the url.
# So,next level url:
# modify http://www.pythonchallenge.com/pc/def/map.html to http://www.pythonchallenge.com/pc/def/ocr.html
